Christian, W. A. (1959). An interpretation of Whitehead's metaphysics. Yale University Press.
Lua i Stíl Chicago (17ú heag.)Christian, William A. An Interpretation of Whitehead's Metaphysics. New Haven: Yale University Press, 1959.
Lua MLA (9ú heag.)Christian, William A. An Interpretation of Whitehead's Metaphysics. Yale University Press, 1959.
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